Write viral X posts using deep knowledge of the actual recommendation algorithm
JWA implementation (supports all JWS algorithms)
Implementation of JSON Web Signatures
A point in polygon based on the paper Optimal Reliable Point-in-Polygon Test and Differential Coding Boolean Operations on Polygons
Fastest random ID and random string generation for Node.js
Implements the WebIDL algorithms for converting to and from JavaScript values
Find the longest common subsequence.
node's assert.deepEqual algorithm except for NaN being equal to NaN
A JS library for finding optimal label position inside a polygon
Find the first config file matching a given name in the current directory or the nearest ancestor directory.
Martinez polygon clipping algorithm, does boolean operation on polygons (multipolygons, polygons with holes etc): intersection, union, difference, xor
Fast 2D concave hull algorithm in JavaScript (generates an outline of a point set)
Missing ECMAScript module utils for Node.js
High-performance Base64 encoder and decoder
Javascript FNV-1a Hashing Algorithm up to 1024 bits, with highly optimized 32bit and 52bit implementations.
The open agent skills ecosystem
Encryption, decryption, and key related utility functions
Skillflag producer CLI reference implementation.
A packing algorithm for 2D bin packing. Largely based on code and a blog post by Jake Gordon.
Implementation of the Graham Scan algorithm to calculate a convex hull from a given array of x, y coordinates.
Call require pretending your are at another directory
ECMAScript (ESTree) AST walker
Canonical universal harness — AI-native software engineering via skill-driven orchestration; bootstraps plugkit for task execution and session isolation. Install in any AI coding agent host.
The Gateway provider for the [AI SDK](https://ai-sdk.dev/docs) allows the use of a wide variety of AI models and providers.